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50 lines
2.4 KiB
Plaintext
50 lines
2.4 KiB
Plaintext
---
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id: convert-rak4631r
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title: Convert RAK4631-R to RAK4631
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sidebar_label: Convert RAK4631-R
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sidebar_position: 4
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description: Instructions for converting the RAK4631-R to RAK-4631 using Python and adafruit-nrfutil.
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---
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The only difference between the _RAK4631-R_ (RUI3) and the _RAK4631_ (Arduino) is the bootloader it is shipped with - the hardware is the same.
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Meshtastic requires the Arduino bootloader on RAK WisBlock nRF52-based boards. The process of converting the bootloader only needs to be performed once.
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Here are two ways to flash the bootloader:
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## USB Device Firmware Upgrade (DFU)
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1. Install [Python](https://www.python.org/downloads/)
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2. Install [adafruit-nrfutil](https://github.com/adafruit/Adafruit_nRF52_nrfutil)
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```shell
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pip3 install adafruit-nrfutil
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```
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3. Download the required bootloader: [WisCore_RAK4631_Board_Bootloader.zip](https://github.com/RAKWireless/WisBlock/releases/download/0.4.2/WisCore_RAK4631_Board_Bootloader.zip)
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4. Connect your RAK device by USB.
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5. Flash the bootloader
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```shell
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adafruit-nrfutil --verbose dfu serial --package ./WisCore_RAK4631_Board_Bootloader.zip -p /dev/ttyACM0 -b 115200 --singlebank --touch 1200
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```
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Note: The serial port name (`/dev/ttyACM0`) may differ depending on your operating system. Make sure to identify the correct port name for your setup.
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6. Continue with the normal [flashing instructions](/docs/getting-started/flashing-firmware/nrf52/drag-n-drop)
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## Debugger
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This conversion requires the use of either a [DAPLink](https://daplink.io/) or [J-Link](https://www.segger.com/products/debug-probes/j-link/). The most reasonably priced and available is the [RAKDAP1](https://store.rakwireless.com/products/daplink-tool).
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1. Install [Python](https://www.python.org/downloads/)
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2. Install [pyOCD](https://pyocd.io/)
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```shell
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pip3 install pyocd
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```
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3. Download the required bootloader: [WisCore_RAK4631_Board_Bootloader.hex](https://github.com/RAKWireless/WisBlock/releases/download/0.4.2/WisCore_RAK4631_Board_Bootloader.hex)
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4. Connect the RAKDAP as follows:
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[<img src="/img/rak4631-rakdap1.webp" style={{zoom:'25%'}} />](/img/rak4631-rakdap1.webp)
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5. Flash the bootloader
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```shell
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pyocd flash -t nrf52840 .\WisCore_RAK4631_Board_Bootloader.hex
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```
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6. Continue with the normal [flashing instructions](/docs/getting-started/flashing-firmware/nrf52/drag-n-drop)
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Alternate methods of flashing are outlined [here](https://github.com/RAKWireless/WisBlock/tree/master/bootloader/RAK4630).
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